Star · B5IV
HIP 28949
HIP 28949 is a subgiant star of spectral type B5IV in the constellation Monoceros, 1,254 light-years from the Sun.
| Constellation | Monoceros |
|---|---|
| Distance | 1,254 light-years (384.5 pc) |
| Apparent magnitude | magnitude 5.37 |
| Absolute magnitude | magnitude −2.55 |
| Spectral type | B5IV |
| Surface temperature | 11,960 K |
| Luminosity | 1,700 L☉ |
| Radius | 9.62 R☉ |
| Mass | 7.61 M☉ (estimated) |
| Right ascension (J2000) | 6h 06m 38.7s |
| Declination (J2000) | −4° 11′ 38″ |
| Space velocity (relative to the Sun) | 24.7 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.37). Visible from the whole Southern Hemisphere and north to latitude 86° N. It stands highest at midnight in December, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 772. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 22 million years.
The Sun seen from there
From a planet around HIP 28949, the Sun would look like a star of magnitude 12.75, in the direction where our sky has the constellation Ophiuchus. It would be invisible to the naked eye.
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.